Form Professional Only preliminary match of Tenhou Meijin Sen
Answer
Commentary
Proper discarding and Contrary discarding
Pay attention to the area in the red frame below.
If you have the blocks below, what do you discard??
Most player discard 5 → 8.
This discarding in this order is called "Proper Discarding".
In contrast to this, a few players discard 8 → 5.
This is called " Contrary Discarding".
The reasons for contrary discarding are that
・5 is close to Dora
・Look to 3colors sequence
・Disturbing your reading
and so on.
The third reason is especially important to note, because the higher the level, the more you see.
Nonetheless, this is rare case.
This is professional limited match, but even this case, it is Proper Discarding.
5s ( safety tile for dealer's Riichi) is relatively safe, because if you are left side player and able to win by concealed hand, do you call for Riichi in this situation??
This Riichi has two possibility, one of that you can't without calling Riichi, or your hand is very high and never fall.
In latter reason, 7p (also safety tile for dealer's Riichi) is very dangerous because if left side player wait this tile, he have a Dora definitely. (maybe discarding from 5 6 6).
7s is dangerous also, but a little bit safty than 6m. because 6s is discarded three, this called "one chance".
6s is very dangerous in this case. Never discard.
And 8s that I didn't have then is also very dangerous for dealer.
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